Free random assignment works best with
A) large samples.
B) small samples.
C) ad hoc samples.
D) matched samples.
Answer: A
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Which of the following is NOT a correct statement?
a. China's president is the head of state. b. China's president is responsible for the day-to-day management of the government. c. China's president is also the leader of the Communist Party. d. China's president represents China at meetings of world leaders.
A large percentage of __________, more than any other age group, vote in presidential elections
Fill in the blanks with correct word
In recent years, privatization and outsourcing has __________
a. increased at the federal level b. decreased at the federal level c. decreased at the state level d. received greater public support
In order to reduce experimenter bias, a researcher could
a. change the wording for different conditions to make sure participants understand what they should do. b. standardize the experimental procedure by giving instructions and collecting data by computer. c. create a single blind study so the participant doesn't know his or her condition. d. increase the level of mundane realism so the research setting doesn't seem artificial.